Finding the Fourth Proportional to 8,254,411,463.26, 12,381,271,352.28 and 2,658,224,682.12
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Solution
The fourth proportional to 8,254,411,463.26, 12,381,271,352.28 and 2,658,224,682.12 is: 3,987,225,649.11
Step by Step Solution
- Step 1: Write the proportion equation
8,254,411,463.26 : 12,381,271,352.28 = 2,658,224,682.12 : x - Step 2: Convert to fraction form
8,254,411,463.26/12,381,271,352.28 = 2,658,224,682.12/x - Step 3: Cross multiply
8,254,411,463.26x = 12,381,271,352.28 × 2,658,224,682.12 - Step 4: Simplify right side
8,254,411,463.26x = 32,912,201,104,632,446,976 - Step 5: Solve for x
x = 32,912,201,104,632,446,976/8,254,411,463.26 - Step 6: Final answer
x = 3,987,225,649.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.